12211040262 has 32 divisors (see below), whose sum is σ = 26982968832. Its totient is φ = 3664352384.

The previous prime is 12211040227. The next prime is 12211040263. The reversal of 12211040262 is 26204011221.

12211040262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211040263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600178 + ... + 2604869.

It is an arithmetic number, because the mean of its divisors is an integer number (843217776).

Almost surely, 2^12211040262 is an apocalyptic number.

12211040262 is an abundant number, since it is smaller than the sum of its proper divisors (14771928570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211040262 is a wasteful number, since it uses less digits than its factorization.

12211040262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205092.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12211040262 its reverse (26204011221), we get a palindrome (38415051483).

The spelling of 12211040262 in words is "twelve billion, two hundred eleven million, forty thousand, two hundred sixty-two".